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Engineering, Environmental & Technical Consultancy (PSP002)

Douglas Partners is a specialist geotechnical, environmental and groundwater engineering consultancy with more than 50 years of experience. Douglas Partners is Australia’s largest wholly staffed-owned consultancy of its type with over 400 professional and technical staff located across 17 Australian offices. 

Our services include:

  • geotechnical investigations;
  • design of pavements for highways, major and minor roads, and car parks;
  • site assessment for onsite disposal of stormwater and sewage;
  • earthworks recommendations, ground improvement design, and construction support;
  • geotechnical design of foundations;
  • geotechnical design of retaining walls;
  • landfill investigation and design;
  • assessment of acid sulphate soils; and
  • groundwater studies. 

Douglas Partners has received numerous BRW Financial Review Client Choice Awards, including ‘Best Consulting Engineering Firm in Australia’ (Revenue $50 - $200 million) in 2014 and 2017. Douglas Partners provided technical services for 12 out of the 14 finalists nominated for Urban Development Institute of Australia WA ‘Awards for Excellence 2016’.


is qualified within the following sub-categories:

  • Geotechnical Engineering (PSP002-008)